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Stress B Formula

product on market Tablet or Pill Natural Factors Safety: 97/100
97/100

This product looks safe

  • Folate: 1700mg is 1700.0× the Tolerable Upper Intake Level (1.0mg)
  • 75% of ingredients have research evidence
C Label Compliance Grade

What the Evidence Says

AI-generated · Qwen 3.6 · methodology

This formula contains B vitamins and vitamin C, which are supported by strong evidence for their roles in energy metabolism and nervous system function. These nutrients help the body manage physiological responses to stress. The overall safety profile is high, though evidence coverage for this specific combination is limited.

AI-generated summary based on research evidence. Not medical advice.

Alerts

Safety Alerts

Folate: 1700mg is 1700.0× the Tolerable Upper Intake Level (1.0mg)

Label

Product Label

Label for Stress B Formula
Open Full PDF View on NIH DSLD →
Details

Label Data

1 Tablet(s)
Serving Size
Other Combinations
Product Type
75%
Evidence Coverage
Ingredients

Supplement Facts — Evidence Check

Vitamin C
1000 mg (1111% DV)
25 mg (2083% DV)
20.8× RDA — above typical dose 76 studies (A:0, B:33)
25 mg (1923% DV)
19.2× RDA — above typical dose 13 studies (A:0, B:1)
25 mg (156% DV)
1.8× RDA — within safe limits 196 studies (A:5, B:63)
25 mg (1471% DV)
19.2× RDA — above typical dose (UL: 100 mg) 114 studies (A:3, B:35)
1700 mcg DFE (425% DV)
Exceeds UL by 1700.0× (UL: 1.0 mg) 226 studies (A:10, B:105)
25 mcg (1042% DV)
10.4× RDA — above typical dose 139 studies (A:1, B:44)
25 mcg (83% DV)
Within RDA (0.8× RDA) 27 studies (A:0, B:11)
25 mg (500% DV)
5.0× RDA — above typical dose 2 studies — no high-quality reviews
25 mg (5% DV)
Market median: 125.0mg (294 products) 38 studies (A:1, B:7)
25 mg
Market median: 550.0mg (217 products) 29 studies (A:0, B:5)
Market median: 500.0mg (9 products) 7 studies — no high-quality reviews

Other Ingredients

Microcrystalline Cellulose Coating Croscarmellose Sodium Magnesium Stearate
Claims

Label Claims — Verification

Unverified Nutrient
Unverified All Other
Unverified Structure/Function
Info

Product Information

Directions for Use

Suggested Usage: 1 tablet per day or as directed by a health professional.

Warnings & Precautions

Cautions: As with any supplement, consult your health professional before use if you are pregnant, breastfeeding or trying to conceive, or if you are taking medication, have a medical condition or anticipate a surgery.

Keep out of the reach of children.

Sealed for your protection. Do not use if seal is broken.

Formulation Notes

The B vitamins in Stress B Formula work together to metabolize carbohydrates, fats, and proteins, which contributes to an increased energy production level in the body. They also support a healthy nervous system and mood, and are essential for healthy skin, hair and vision. Vitamin C, a powerful antioxidant, is added to maintain cell wall integrity and support healthy bones, cartilage, teeth and gums. Water-soluble B vitamins and Vitamin C are not stored in the body and must be replenished daily.

Manufactured by Natural Factors to ensure safety and potency in accordance with Good Manufacturing Practices (GMP) of the FDA and Health Canada.

Contains no artificial colors, preservatives, or sweeteners; no dairy, starch, wheat, gluten, yeast, soy, egg, fish, shellfish, animal products, tree nuts, or GMO's.

Suitable for vegetarians/vegans.

Plus 1000 mg vitamin C

Additional Information

isura Non-GMO - Mass Spec Documentation Lab tested

For freshness, store in a cool, dry place.

Product of Canada Recyclable container and label.

Purity & Potency Guaranteed

Metadata

Product Details

UPC / SKU0 68958 01131 8
DSLD Entry Date2020-05-22
Product TypeOther Combinations
FormTablet or Pill
DSLD ID220210
Data Updated2026-04-11
Research

Research Evidence

371
Research Sources
54
Avg Quality
148
Meta Analysis
82
Systematic Review
71
Rct
62
Clinical Trial
2
Regulatory Source
1
Cochrane Review
1
Narrative Review
1
Other
1
Openfda Safety
A Vitamin C supplementation in pregnancy
Meta Analysis The Cochrane database of systematic reviews 2015 PubMed DOI
A Vitamin C supplementation for the primary prevention of cardiovascular disease
Systematic Review The Cochrane database of systematic reviews 2017 PubMed DOI
A Vitamin C for preventing and treating the common cold
Meta Analysis The Cochrane database of systematic reviews 2013 PubMed DOI
A Vitamin C for preventing and treating pneumonia
Meta Analysis The Cochrane database of systematic reviews 2013 PubMed DOI
A Vitamin E supplementation in pregnancy
Meta Analysis The Cochrane database of systematic reviews 2015 PubMed DOI
A Vitamin C supplementation for prevention and treatment of pneumonia
Meta Analysis The Cochrane database of systematic reviews 2020 PubMed DOI
A Vitamin C supplementation for prevention and treatment of pneumonia
Systematic Review The Cochrane database of systematic reviews 2021 PubMed DOI
A Nutritional interventions for preventing and treating pressure ulcers
Meta Analysis The Cochrane database of systematic reviews 2024 PubMed DOI
A Does Vitamin C Supplementation Provide a Protective Effect in Periodontal Health? A Systematic Review and Meta-Analysis
Meta Analysis International journal of molecular sciences 2024 PubMed DOI
A Circulating vitamin C concentration and risk of cancers: a Mendelian randomization study
Meta Analysis BMC medicine 2021 PubMed DOI
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This product page is for informational purposes only and does not constitute medical advice. Always consult your healthcare provider before taking any supplement.